15 results
Tracheal Descent Sign

Paradoxical inward movement of the trachea during inspiration. Seen in this COPD patient in
Tracheal Descent Sign ... Paradoxical ... distress. ... Video via Dr. ... #pulmonary #breathing
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
hyperexpansion of the lungs ... downwards, thereby paradoxically ... Pulmonary #COPD ... #PhysicalExam #Video ... #Respiratory
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
severity Acute Respiratory ... Distress Syndrome ... sliding COPD or ... #differential # ... diagnosis #signs
Wheezing - Differential Diagnosis Framework - Not all that wheezes is asthma
Vibrations of turbulent flow against
Wheezing - Differential ... Diagnosis Framework ... - Anaphylaxis, Paradoxical ... plug, Carcinoid syndrome ... #pulmonary #wheeze
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... Pneumonia, asthma, COPD ... hepatopulmonary syndrome ... #Diagnosis #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
organizing pneumonia (COP ... ), Respiratory bronchiolitis-interstitial ... Churg Strauss syndrome ... Diseases #ILD #diagnosis ... #differential #
Differential Diagnosis of Wheezing
 • Extrathoracic (wheezing Is typically inspiratory): Anaphylaxis, Vocal cord pathology, Laryngeal stenosis,
Differential Diagnosis ... Anaphylaxis, Vocal cord ... Ascaris), Churg-Strauss ... syndrome, Allergic ... #pulmonary
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diagnosis Algorithm ... • Diffuse Lung ... • Acute Respiratory ... Distress Syndrome
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Wall Elasticity (flail ... , Interstitial Lung ... Hypoxia #hypoxemia #differential ... #diagnosis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Diagnosis Framework ... Etiology: • Acute respiratory ... distress syndrome ... Transfusion-related acute lung